/*********************************************************************************
 * SugarCRM is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by SugarCRM".
 ********************************************************************************/



//////////////////////////////////////////////////
// class: SugarWidgetListView
// widget to display a list view
//
//////////////////////////////////////////////////

SugarClass.inherit("SugarWidgetListView","SugarClass");

function SugarWidgetListView() {
	this.init();
}

SugarWidgetListView.prototype.init = function() {

}

SugarWidgetListView.prototype.load = function(parentNode) {
	this.parentNode = parentNode;
	this.display();
}

SugarWidgetListView.prototype.display = function() {
	if(typeof GLOBAL_REGISTRY['result_list'] == 'undefined') {
		this.display_loading();
		return;
	}

	var div = document.getElementById('list_div_win');
	div.style.display = 'block';
	//div.style.height='125px';
	var html = '<table width="100%" cellpadding="0" cellspacing="0" border="0" class="list view">';
	html += '<tr>';
	html += '<th width="2%" nowrap="nowrap">&nbsp;</th>';
	html += '<th width="20%" nowrap="nowrap">'+GLOBAL_REGISTRY['meeting_strings']['LBL_NAME']+'</th>';
	html += '<th width="20%" nowrap="nowrap">'+GLOBAL_REGISTRY['meeting_strings']['LBL_EMAIL']+'</th>';
	html += '<th width="20%" nowrap="nowrap">'+GLOBAL_REGISTRY['meeting_strings']['LBL_PHONE']+'</th>';
	html += '<th width="18%" nowrap="nowrap">&nbsp;</th>';
	html += '</tr>';
	//var html = '<table width="100%" cellpadding="0" cellspacing="0">';
	for(var i=0;i<GLOBAL_REGISTRY['result_list'].length;i++) {
		var bean = GLOBAL_REGISTRY['result_list'][i];
		var disabled = false;
		var className='evenListRowS1';

		if(typeof(GLOBAL_REGISTRY.focus.users_arr_hash[ bean.fields.id]) != 'undefined') {
			disabled = true;
		}
		if((i%2) == 0) {
			className='oddListRowS1';
		} else {
			className='evenListRowS1';
		}
		if(typeof (bean.fields.first_name) == 'undefined') {
			bean.fields.first_name = '';
		}
		if(typeof (bean.fields.email1) == 'undefined' || bean.fields.email1 == "") {
			bean.fields.email1 = '&nbsp;';
		}
		if(typeof (bean.fields.phone_work) == 'undefined' || bean.fields.phone_work == "") {
			bean.fields.phone_work = '&nbsp;';
		}

		html += '<tr class="'+className+'">';
		html += '<td><img src="'+GLOBAL_REGISTRY.config['site_url']+'/index.php?entryPoint=getImage&themeName='+SUGAR.themes.theme_name+'&imageName='+bean.module+'s.gif"/></td>';
		html += '<td>'+bean.fields.full_name+'</td>';
		html += '<td>'+bean.fields.email1+'</td>';
		html += '<td>'+bean.fields.phone_work+'</td>';
		html += '<td align="right">';
		//	hidden = 'hidden';
		hidden = 'visible';
		if(!disabled) {
			//	hidden = 'visible';
		}
		html += '<input type="button" class="button" onclick="this.disabled=true;SugarWidgetSchedulerAttendees.form_add_attendee('+i+');" value="'+GLOBAL_REGISTRY['meeting_strings']['LBL_ADD_BUTTON']+'"/ style="visibility: '+hidden+'"/>';
		html += '</td>';

		html += '</tr>';
	}
	html += '</table>';
	this.parentNode.innerHTML = html;
}

SugarWidgetListView.prototype.display_loading = function() {

}

//////////////////////////////////////////////////
// class: SugarWidgetSchedulerSearch
// widget to display the meeting scheduler search box
//
//////////////////////////////////////////////////

SugarClass.inherit("SugarWidgetSchedulerSearch","SugarClass");

function SugarWidgetSchedulerSearch() {
	this.init();
}

SugarWidgetSchedulerSearch.prototype.init = function() {
	this.form_id = 'scheduler_search';
	GLOBAL_REGISTRY['widget_element_map'] = new Object();
	GLOBAL_REGISTRY['widget_element_map'][this.form_id] = this;
}

SugarWidgetSchedulerSearch.prototype.load = function(parentNode) {
	this.parentNode = parentNode;
	this.display();
}

SugarWidgetSchedulerSearch.submit = function(form) {
	//construct query obj:
	var conditions	= new Array();

	if(form.search_first_name.value != '') {
		conditions[conditions.length] = {"name":"first_name","op":"starts_with","value":form.search_first_name.value}
	}
	if(form.search_last_name.value != '') {
		conditions[conditions.length] = {"name":"last_name","op":"starts_with","value":form.search_last_name.value}
	}
	if(form.search_email.value != '') {
		conditions[conditions.length] = {"name":"email1","op":"starts_with","value":form.search_email.value}
	}

	var query = {"modules":["Users","Contacts"
        ,"Leads"
        ],"group":"and","field_list":['id','full_name','email1','phone_work'],"conditions":conditions};
	global_request_registry[req_count] = [this,'display'];
	req_id = global_rpcClient.call_method('query',query);
	global_request_registry[req_id] = [ GLOBAL_REGISTRY['widget_element_map'][form.id],'refresh_list'];
}

SugarWidgetSchedulerSearch.prototype.refresh_list = function(rslt) {
	GLOBAL_REGISTRY['result_list'] = rslt['list'];
	this.list_view.display();
}

SugarWidgetSchedulerSearch.prototype.display = function() {
	var html ='<div class="schedulerInvitees"><h3>'+GLOBAL_REGISTRY['meeting_strings']['LBL_ADD_INVITEE']+'</h5><table border="0" cellpadding="0" cellspacing="0" width="100%" class="edit view">';
	html +='<tr><td>';                  
	html += '<form name="schedulerwidget" id="'+this.form_id+'" onsubmit="SugarWidgetSchedulerSearch.submit(this);return false;">';

	html += '<table width="100%" cellpadding="0" cellspacing="0" width="100%" >'
	html += '<tr>';
	//html += '<form id="'+this.form_id+'"><table width="100%"><tbody><tr>';
	html += '<td scope="row" nowrap>'+GLOBAL_REGISTRY['meeting_strings']['LBL_FIRST_NAME']+':&nbsp;&nbsp;<input  name="search_first_name" value="" type="text" size="10"></td>';
	html += '<td scope="row" nowrap>'+GLOBAL_REGISTRY['meeting_strings']['LBL_LAST_NAME']+':&nbsp;&nbsp;<input  name="search_last_name" value="" type="text" size="10"></td>';
	html += '<td scope="row" nowrap>'+GLOBAL_REGISTRY['meeting_strings']['LBL_EMAIL']+':&nbsp;&nbsp;<input  name="search_email" type="text" value="" size="15"></td>';
	//html += '<td valign="center"><input type="submit" onclick="SugarWidgetSchedulerSearch.submit(this.form);" value="Search" ></td></tr></tbody></table></form>';
	html += '<td valign="center"><input type="submit" class="button" value="'+GLOBAL_REGISTRY['meeting_strings']['LBL_SEARCH_BUTTON']+'" ></td></tr>';
	html += '</table>';
	html += '</form>';
	html += '</td></tr></table></div>';

	// append the list_view as the third row of the outside table
	this.parentNode.innerHTML += html;

	var div = document.createElement('div');
	div.setAttribute('id','list_div_win');
	div.style.overflow = 'auto';
	div.style.width = '100%';
	div.style.height= '125px';
	div.style.display = 'none';
    this.parentNode.appendChild(div);
	
    this.list_view = new SugarWidgetListView();
	this.list_view.load(div);
}

//////////////////////////////////////////////////
// class: SugarWidgetScheduler
// widget to display the meeting scheduler
//
//////////////////////////////////////////////////

SugarClass.inherit("SugarWidgetScheduler","SugarClass");

function SugarWidgetScheduler() {
	this.init();
}

SugarWidgetScheduler.prototype.init = function() {
	//var row = new	SugarWidgetScheduleAttendees();
	//row.load(this);
}

SugarWidgetScheduler.prototype.load = function(parentNode) {
	this.parentNode = parentNode;
	this.display();
}

SugarWidgetScheduler.fill_invitees = function(form) {
	for(var i=0;i<GLOBAL_REGISTRY.focus.users_arr.length;i++) {
		if(GLOBAL_REGISTRY.focus.users_arr[i].module == 'User') {
			form.user_invitees.value += GLOBAL_REGISTRY.focus.users_arr[i].fields.id + ",";
		} else if(GLOBAL_REGISTRY.focus.users_arr[i].module == 'Contact') {
			form.contact_invitees.value += GLOBAL_REGISTRY.focus.users_arr[i].fields.id + ",";
		} else if(GLOBAL_REGISTRY.focus.users_arr[i].module == 'Lead') {
			form.lead_invitees.value += GLOBAL_REGISTRY.focus.users_arr[i].fields.id + ",";
		}
	}
}

SugarWidgetScheduler.update_time = function() {

    //For quick creates do nothing.
    if( typeof(document.EditView) == 'undefined')
        return;

	var date_start = document.EditView.date_start.value;
	if(date_start.length < 16) {
		return;
	}	
	var hour_start = parseInt(date_start.substring(11,13), 10);
	var minute_start = parseInt(date_start.substring(14,16), 10);
	var has_meridiem = /am|pm/i.test(date_start);
	if(has_meridiem) {
	var meridiem = trim(date_start.substring(16));
	}

	GLOBAL_REGISTRY.focus.fields.date_start = date_start;

	if(has_meridiem) {
		GLOBAL_REGISTRY.focus.fields.time_start = hour_start + time_separator + minute_start + meridiem;
	} else {
		GLOBAL_REGISTRY.focus.fields.time_start = hour_start + time_separator + minute_start;
	}

	GLOBAL_REGISTRY.focus.fields.duration_hours = document.EditView.duration_hours.value;
	GLOBAL_REGISTRY.focus.fields.duration_minutes = document.EditView.duration_minutes.value;
	GLOBAL_REGISTRY.focus.fields.datetime_start = SugarDateTime.mysql2jsDateTime(GLOBAL_REGISTRY.focus.fields.date_start,GLOBAL_REGISTRY.focus.fields.time_start);

	GLOBAL_REGISTRY.scheduler_attendees_obj.init();
	GLOBAL_REGISTRY.scheduler_attendees_obj.display();
}

SugarWidgetScheduler.prototype.display = function() {
    this.parentNode.innerHTML = '';
    
	var attendees = new SugarWidgetSchedulerAttendees();
	attendees.load(this.parentNode);

	var search = new SugarWidgetSchedulerSearch();
	search.load(this.parentNode);
}


//////////////////////////////////////////////////
// class: SugarWidgetSchedulerAttendees
// widget to display the meeting attendees and availability
//
//////////////////////////////////////////////////

SugarClass.inherit("SugarWidgetSchedulerAttendees","SugarClass");

function SugarWidgetSchedulerAttendees() {
	this.init();
}

SugarWidgetSchedulerAttendees.prototype.init = function() {
	// this.datetime = new SugarDateTime();
	GLOBAL_REGISTRY.scheduler_attendees_obj = this;
	var date_start = document.EditView.date_start.value;
	var hour_start = parseInt(date_start.substring(11,13), 10);
	var minute_start = parseInt(date_start.substring(14,16), 10);
	var has_meridiem = /am|pm/i.test(date_start);
	if(has_meridiem) {
	var meridiem = trim(date_start.substring(16));
	}

	if(has_meridiem) {
		GLOBAL_REGISTRY.focus.fields.time_start = hour_start + time_separator + minute_start + meridiem;
	} else {
		GLOBAL_REGISTRY.focus.fields.time_start = hour_start+time_separator+minute_start;
		//GLOBAL_REGISTRY.focus.fields.time_start = document.EditView.time_hour_start.value+time_separator+minute_start;
	}

	GLOBAL_REGISTRY.focus.fields.date_start = document.EditView.date_start.value;
	GLOBAL_REGISTRY.focus.fields.duration_hours = document.EditView.duration_hours.value;
	GLOBAL_REGISTRY.focus.fields.duration_minutes = document.EditView.duration_minutes.value;
	GLOBAL_REGISTRY.focus.fields.datetime_start = SugarDateTime.mysql2jsDateTime(GLOBAL_REGISTRY.focus.fields.date_start,GLOBAL_REGISTRY.focus.fields.time_start);

	this.timeslots = new Array();
	this.hours = 9;
	this.segments = 4;
	this.start_hours_before = 4;

	var minute_interval = 15;
	var dtstart = GLOBAL_REGISTRY.focus.fields.datetime_start;

	// initialize first date in timeslots
	var curdate = new Date(dtstart.getFullYear(),dtstart.getMonth(),dtstart.getDate(),dtstart.getHours()-this.start_hours_before,0);

	if(typeof(GLOBAL_REGISTRY.focus.fields.duration_minutes) == 'undefined') {
		GLOBAL_REGISTRY.focus.fields.duration_minutes = 0;
	}
	GLOBAL_REGISTRY.focus.fields.datetime_end = new Date(dtstart.getFullYear(),dtstart.getMonth(),dtstart.getDate(),dtstart.getHours()+parseInt(GLOBAL_REGISTRY.focus.fields.duration_hours),dtstart.getMinutes()+parseInt(GLOBAL_REGISTRY.focus.fields.duration_minutes),0);

	var has_start = false;
	var has_end = false;

	for(i=0;i < this.hours*this.segments; i++) {
		var hash = SugarDateTime.getUTCHash(curdate);
		var obj = {"hash":hash,"date_obj":curdate};
		if(has_start == false && GLOBAL_REGISTRY.focus.fields.datetime_start.getTime() <= curdate.getTime()) {
			obj.is_start = true;
			has_start = true;
		}
		if(has_end == false && GLOBAL_REGISTRY.focus.fields.datetime_end.getTime() <= curdate.getTime()) {
			obj.is_end = true;
			has_end = true;
		}
		this.timeslots.push(obj);

		curdate = new Date(curdate.getFullYear(),curdate.getMonth(),curdate.getDate(),curdate.getHours(),curdate.getMinutes()+minute_interval);
	}
}

SugarWidgetSchedulerAttendees.prototype.load = function (parentNode) {
	this.parentNode = parentNode;
	this.display();
}

SugarWidgetSchedulerAttendees.prototype.display = function() {
	var dtstart = GLOBAL_REGISTRY.focus.fields.datetime_start;
	var top_date = SugarDateTime.getFormattedDate(dtstart);
	var html = '<h3>'+GLOBAL_REGISTRY['meeting_strings']['LBL_SCHEDULING_FORM_TITLE']+'</h3><table id ="schedulerTable">';
	html += '<tr class="schedulerTopRow">';
	html += '<th colspan="'+((this.hours*this.segments)+2)+'"><h4>'+ top_date +'</h4></th>';
	html += '</tr>';
	html += '<tr class="schedulerTimeRow">';
	html += '<td>&nbsp;</td>';

	for(var i=0;i < (this.timeslots.length/this.segments); i++) {
		var hours = this.timeslots[i*this.segments].date_obj.getHours();
		var am_pm = '';

		if(time_reg_format.indexOf('A') >= 0 || time_reg_format.indexOf('a') >= 0) {
			am_pm = "AM";

			if(hours > 12) {
				am_pm = "PM";
				hours -= 12;
			}
			if(hours == 12) {
				am_pm = "PM";
			}
			if(hours == 0) {
				hours = 12;
				am_pm = "AM";
			}
			if(time_reg_format.indexOf('a') >= 0) {
				am_pm = am_pm.toLowerCase();
			}
			if(hours != 0 && hours != 12 && i != 0) {
				am_pm = "";
			}

		}

		var form_hours = hours+time_separator+"00";
		html += '<td scope="col" colspan="'+this.segments+'">'+form_hours+am_pm+'</td>';
	}

	html += '<td>&nbsp;</td>';
	html += '</tr>';
	html += '</table>';
    if ( this.parentNode.childNodes.length < 1 )
        this.parentNode.innerHTML += '<div class="schedulerDiv">' + html + '</div>';
    else
        this.parentNode.childNodes[0].innerHTML = html;
	
	var thetable = "schedulerTable";

	if(typeof (GLOBAL_REGISTRY) == 'undefined') {
		return;
	}

	//set the current user (as event-coordinator) so that they can be added to invitee list 
	//only IF the first removed flag has not been set AND this is a new record
	if((typeof (GLOBAL_REGISTRY.focus.users_arr) == 'undefined' || GLOBAL_REGISTRY.focus.users_arr.length == 0)
      && document.EditView.record.value =='' && typeof(GLOBAL_REGISTRY.FIRST_REMOVE)=='undefined') {
		GLOBAL_REGISTRY.focus.users_arr = [ GLOBAL_REGISTRY.current_user ];
	}
	
	if(typeof GLOBAL_REGISTRY.focus.users_arr_hash == 'undefined') {
		GLOBAL_REGISTRY.focus.users_arr_hash = new Object();
	}

	// append attendee rows
	for(var i=0;i < GLOBAL_REGISTRY.focus.users_arr.length;i++) {
		var row = new SugarWidgetScheduleRow(this.timeslots);
		row.focus_bean = GLOBAL_REGISTRY.focus.users_arr[i];
		GLOBAL_REGISTRY.focus.users_arr_hash[ GLOBAL_REGISTRY.focus.users_arr[i]['fields']['id']] =	GLOBAL_REGISTRY.focus.users_arr[i];
		row.load(thetable);
	}
}

SugarWidgetSchedulerAttendees.form_add_attendee = function (list_row) {
	if(typeof (GLOBAL_REGISTRY.result_list[list_row]) != 'undefined' && typeof(GLOBAL_REGISTRY.focus.users_arr_hash[ GLOBAL_REGISTRY.result_list[list_row].fields.id]) == 'undefined') {
		GLOBAL_REGISTRY.focus.users_arr[ GLOBAL_REGISTRY.focus.users_arr.length ] = GLOBAL_REGISTRY.result_list[list_row];
	}
	GLOBAL_REGISTRY.scheduler_attendees_obj.display();
}


//////////////////////////////////////////////////
// class: SugarWidgetScheduleRow
// widget to display each row in the scheduler
//
//////////////////////////////////////////////////
SugarClass.inherit("SugarWidgetScheduleRow","SugarClass");

function SugarWidgetScheduleRow(timeslots) {
	this.init(timeslots);
}

SugarWidgetScheduleRow.prototype.init = function(timeslots) {
	this.timeslots = timeslots;
}

SugarWidgetScheduleRow.prototype.load = function (thetableid) {
	this.thetableid = thetableid;
	var self = this;

	vcalClient = new SugarVCalClient();
	if(typeof (GLOBAL_REGISTRY['freebusy_adjusted']) == 'undefined' ||	typeof (GLOBAL_REGISTRY['freebusy_adjusted'][this.focus_bean.fields.id]) == 'undefined') {
		global_request_registry[req_count] = [this,'display'];
		vcalClient.load(this.focus_bean.fields.id,req_count);
		req_count++;
	} else {
		this.display();
	}
}

SugarWidgetScheduleRow.prototype.display = function() {
	var self = this;
	var tr;
	this.thetable = document.getElementById(this.thetableid);
	
	if(typeof (this.element) != 'undefined') {
	    if (this.element.parentNode != null)
			this.thetable.deleteRow(this.element.rowIndex);

		tr = document.createElement('tr'); 
		this.thetable.appendChild(tr);
	} else {
		tr = this.thetable.insertRow(this.thetable.rows.length);
	}
	tr.className = "schedulerAttendeeRow";

	td = document.createElement('td');
	tr.appendChild(td);
	//insertCell(tr.cells.length);

	// icon + full name
	td.scope = 'row';
	var img = '<img align="absmiddle" src="index.php?entryPoint=getImage&themeName='+SUGAR.themes.theme_name+'&imageName='+self.focus_bean.module+'s.gif"/>&nbsp;';
	td.innerHTML = img;

	td.innerHTML = td.innerHTML;

	if (self.focus_bean.fields.full_name)
		td.innerHTML += ' ' + self.focus_bean.fields.full_name;
	else
		td.innerHTML += ' ' + self.focus_bean.fields.name;

	// add freebusy tds here:
	this.add_freebusy_nodes(tr);

	// delete button
	var td = document.createElement('td');
	tr.appendChild(td);
	//var td = tr.insertCell(tr.cells.length);
	td.className = 'schedulerAttendeeDeleteCell';
	td.noWrap = true;
	//CCL - Remove check to disallow removal of assigned user or current user
	//if ( GLOBAL_REGISTRY.focus.fields.assigned_user_id != self.focus_bean.fields.id && GLOBAL_REGISTRY.current_user.fields.id != self.focus_bean.fields.id) {
       td.innerHTML = '<a title="'+ GLOBAL_REGISTRY['meeting_strings']['LBL_REMOVE'] +'" class="listViewTdToolsS1" style="text-decoration:none;" href="javascript:SugarWidgetScheduleRow.deleteRow(\''+self.focus_bean.fields.id+'\');">&nbsp;<img src="index.php?entryPoint=getImage&themeName='+SUGAR.themes.theme_name+'&imageName=delete_inline.gif" align="absmiddle" alt="'+ GLOBAL_REGISTRY['meeting_strings']['LBL_REMOVE'] +'" border="0"> '+ GLOBAL_REGISTRY['meeting_strings']['LBL_REMOVE'] +'</a>';
	//}
	this.element = tr;
	this.element_index = this.thetable.rows.length - 1;
}

SugarWidgetScheduleRow.deleteRow = function(bean_id) {
	// can't delete organizer
	/*
	if(GLOBAL_REGISTRY.focus.users_arr.length == 1 || GLOBAL_REGISTRY.focus.fields.assigned_user_id == bean_id) {
		return;
	}
    */
	for(var i=0;i<GLOBAL_REGISTRY.focus.users_arr.length;i++) {
		if(GLOBAL_REGISTRY.focus.users_arr[i]['fields']['id']==bean_id) {
			delete GLOBAL_REGISTRY.focus.users_arr_hash[GLOBAL_REGISTRY.focus.users_arr[i]['fields']['id']];
			GLOBAL_REGISTRY.focus.users_arr.splice(i,1);
	     	//set first remove flag to true for processing in display() function
			GLOBAL_REGISTRY.FIRST_REMOVE = true;
			GLOBAL_REGISTRY.container.root_widget.display();
		}
	}
}


function DL_GetElementLeft(eElement) {
	/*
	 * ifargument is invalid
	 * (not specified, is null or is 0)
	 * and function is a method
	 * identify the element as the method owner
	 */
	if(!eElement && this) {
		eElement = this;
	}

	/*
	 * initialize var to store calculations
	 * identify first offset parent element
	 * move up through element hierarchy
	 * appending left offset of each parent
	 * until no more offset parents exist
	 */
	var nLeftPos = eElement.offsetLeft;
	var eParElement = eElement.offsetParent;
	while (eParElement != null) {
		nLeftPos += eParElement.offsetLeft;
		eParElement = eParElement.offsetParent;
	}
	return nLeftPos; // return the number calculated
}


function DL_GetElementTop(eElement) {
	if(!eElement && this) {
		eElement = this;
	}

	var nTopPos = eElement.offsetTop;
	var eParElement = eElement.offsetParent;
	while (eParElement != null) {
		nTopPos += eParElement.offsetTop;
		eParElement = eParElement.offsetParent;
	}
	return nTopPos;
}


//////////////////////////////////////////
// adds the <td>s for freebusy display within a row
SugarWidgetScheduleRow.prototype.add_freebusy_nodes = function(tr,attendee) {
	var hours = 9;
	var segments = 4;
	var html = '';
	var is_loaded = false;

	if(typeof GLOBAL_REGISTRY['freebusy_adjusted'] != 'undefined' && typeof GLOBAL_REGISTRY['freebusy_adjusted'][this.focus_bean.fields.id] != 'undefined') {
		is_loaded = true;
	}

	for(var i=0;i < this.timeslots.length; i++) {
		var td = document.createElement('td');
		tr.appendChild(td);
		//var td = tr.insertCell(tr.cells.length);
        td.innerHTML = '&nbsp;';
		if(typeof(this.timeslots[i]['is_start']) != 'undefined') {
			td.className = 'schedulerSlotCellStartTime';
		}
		if(typeof(this.timeslots[i]['is_end']) != 'undefined') {
			td.className = 'schedulerSlotCellEndTime';
		}

		if(is_loaded) {
			// iftheres a freebusy stack in this slice
			if(	typeof(GLOBAL_REGISTRY['freebusy_adjusted'][this.focus_bean.fields.id][this.timeslots[i].hash]) != 'undefined') {
				td.style.backgroundColor="#4D5EAA";

				if(td.className == 'schedulerSlotCellStartTime') {
					fb_limit = 1;
					if(typeof(GLOBAL_REGISTRY.focus.orig_users_arr_hash) != 'undefined' && typeof(GLOBAL_REGISTRY.focus.orig_users_arr_hash[this.focus_bean.fields.id]) != 'undefined') {
						fb_limit = 2;
					}

					if(	GLOBAL_REGISTRY['freebusy_adjusted'][this.focus_bean.fields.id][this.timeslots[i].hash] >= fb_limit) {
						td.style.backgroundColor="#AA4D4D";
					} else {
						td.style.backgroundColor="#4D5EAA";
					}
				}
			}
		}
	}
}